Double-door arresting mechanism



Sept 5, 1932- A. o. JOHNSON 1,875,873

DOUBLE DOOR ARRESTING' MECHANISM FiledSept. 4. 1951 Patented Sept. 6,1932 .PATENT Iole-"F'ICE f znmrfoauonnson, on KANSAS CITY, irrissonnrb"v 2 I rlhis `invention relates, to apparatus: constructed for use-Withhingedly mounted doors ,and has.' fon afpnilnary object the provision ofmechanism usedto` an advantagerwith. a pair "'l of oppositely swingingdouhledoors which itis desired tor arnestwhen. the same are at the4tully opened or closed position.

lThisinventionhasfer. a further object the Contemplation-ot Ydouble-doerarresting mech.- 'N anis1n1- which includesin its strueturdmeans forautomatically latching, allo-fthe parts of the apparatus in an`inmiovable position after the-doors with which themechanismisassoeiated have been.. manuallf-movedl to a prede- 5'terminedpositionwhere, rallgpracticalpurposes', the: are inthe fullyopened position.

A still urther object ofV the instantinventionjistofprovide:anrestingmechanismior oppositely swingingdoublefdoors which stro-ng7A ruggefh and durable;l will not becomemaladjustedthrougha long7 continueduse, and exceptionally' effectiver inperforming the intended. functionf'through the use of but [few PEI''S lDuring the following.` specification,. referring,l to theaccompanylngdravving, a large number .ofcV minor. objects will appearandy theoperation ofthe devicejwill be renderedclear asV the, description .ofthe parts and their comim bination isset down.;V j

Inthedrawingz, j Y j Figure l is a top plan viewof arresting .mechanismembodying the present invention, i-lhistratingthe same initwoextremefpositi'ons.

Figv 2; is an edge elevation of mechanism indoor-closedposition. j l jFig. v3 is an enlarged, fragmentary, detailed section 'through the mainbar;` near oneend vand on line LII- III of Fig, 2Ly

Fig; 4' isa broken side elevation ofthe gravi- .ty-actuateddog,illustrating the same in two positions, and,. j j* F'g, 'is a detailedcross,A sectional vievv'simr i-lar to Figiv 3,' but taken through themain bar o near the othei` end thereof.

. A 'rresting mechanism embodying the con? cepts of the inventionfunctions best ,when constru'cted for use with a pair of oppositelyswinging double-doersand 8`,.-ea.ch o'fwhich has its-vertiral freeedgerabbetedgto aii'ord Application: naasepmeer 4,.-1eei.. sem/ailleur.A561362;

positive interoonnection When doors 6 and 8 L.' arejel-osed, as showninVfull lines et Eiggs Each ofsaidf doors 6. andSvare hingedly swung upon,casing 'l0 through the intermedi'acy-` `of the `Wellknovvn hinges 12-and When doors v and 8 arelrnoved to a; position shown indotted linesfofFig. l they are hereinconstruedto be 1n the fully opened posi-tion, orat one end o ltheir arcuate path of travel. s

l @ne of the essential` eatures et the inven'- QP tion is' thefirmlyaiiixing of these doors in ,either the openor closedposition, suchaixing bein-g automatically performed by the inechanisnr .Whichmayconsist of a bracket 114k, car- Y ried by door 8 adjacent i-tshingedlysupportdi@ ed edge.. Bracket. 1.44 includes a long: arml andi a shortarm 18,y eachof Which preferably terminate inthesamefhorizontal plane.Upon Y Vdoor 6 ismounted fixture-20,;and bar ,QfQIinter-V .Connects the;free end oiliXture. 2()v and the. ex- 17e) tended end o'arm` 16 ofbracket 1.4., For justment and ease of assembling, bar 22ris providedwith a series of holes 24T'. formed through eaeh end .thereoiV A pin- 26interconnects long armr 1.6. and one end ofbar. 22 as pin 2.8l likewisejoinsfixture" 20 andthe opposite end ot bar 22;Y s

To perform the desired ,functiom a linik 30 essentially interconnectsbar 22 and' arm; 18 `of bracket 14. One end of .link 30y ispivotal- .lyaiixedfas at 32,to.shortar1n.1 8 and-the: other end of link 30f is..associated lWith bar v22 through. the intermediacy of slide 3ft. lt isto. this sli-de 34 that link 30is pivotallly joined by a connecterflWhich-allows movement .35 Whenthe mechanism isfoperated@ Connecter 36might be passed: through. any` one of. Vholes 37 for the purpose ofadjusting the effecting length. of link 30. 1 f

The construction just set tenth permits. .the 99 yieldable holding ofdoors (iI and 81 inthe closed position 4provided the connecter 36joining link and Vslide 30` and. 8.4: respectively lies to' one side ofaline. extending. between the vertical'hinge line ofhinges l2 supporting:95

door 6.andpin26;` That isto.say,jconnecter Y into the partsofvtheInechanisrntohold-:doors19o n Y Y 6 and 8 in the closed position andmovement on the partof door 6 is required before door 8 even starts toopen. This movement extends only to an amount sufficient to drawconnecter 36 to a line extending between hinge l2 and pin 26;

' From this pointon the.. doors'6 and 8 are freeV tomove and openingforce need be exerted on but one of the doors. Link and -bar .22 willtransmit opening power vtothe other 'door and when they have assumed theopen position as shown in dotted lines of Fig. 1,j

the novel latching apparatus will automatically function to maintain thedoors y:in this position until the means for actuating the 'latch toth'e'inop'erative `position is brought intoplay. One embodiment ofthelatching l'zo . lso

mechanism contemplated by the invention *includes a yoke.38 rigid withbarY 22 which rockingly'supports dog 40`through'the inter- -mediacyofpintle 42.` A laterallyextending catch'44 may beform'ed on, orcarriedas a part of, slide 34 and positionedto engage dog Vwhen doors V6and 8 are opened.

As clearly shownin Fig. 4,'the inclined portion of dog 40 willride upand'over cateh44 toA a point where shoulderl 46 will rest'on lonel-sidev of catch 44 topreclude movement'in fone direction.l When dog 40lhas moved to the positionjust mentioned, slide 34 will engage yok`e`38and preclude'movement in the opposite direction.- Obviously, therefore,when doors 6 and 8 are openand slide 34 is in Y. )engagement with yoke38 `and-dog 40 is restthe mechanism-will bev securedagainstjrelativefmovem'ent. 1 l f i To allow doors 6 and' Sto be closedagain it 'is but necessary to move dog`40'to a position 'ing by gravityupon catch 44, all members of where it is out of engagement withcatch44.

'To do thiscable 48'is provided, 'one end `Yof which is attached to.adepending portion y50 #of dog 40, the other end of which hangs freelybelow.V slide 34, as illustrated in Fig. 2. Bar 22 is channel iron andcable 48 is'housed 'withiny 'this y'channel for aportion of:y itslength. tie-pin 52 may be utilized to act ,as'a support'for'ca'ble 48atthe point where it'i's vdesired tov have the same drop down.

The' upward movement of vdog 40: is limited by angled'surface54 whichstrikes the bottom ofjyoke 38iwhen cable,48 has moved dog p yout ofengagement with catch 44.

i is 'claimed aS. neW' and 5 Letters Patenti's':`

: Arresting m'echanism associated;

Manifestly, the parts of this arresting mechanism embodying theinventionfmight be: vmadeany' suitable material-and vthe dimensionsofthe same altered in conformity `'with the strengthY requiredto holdand actuate Athefdoors with which the mechanism is to be Havingthus'rde'scribedth'e invention, y'what ai 'fopplosifeiy swingingvdouble-doors comprising a bracket fthe open' position.rk j

desiredftobe.secured-"by carried by one door adjacent itshingedlysupported edge; a fixture mounted on the other i carried byv oneVdoor'I adjacent'its hingedly` supported edge ;Krk 'ag vfixture mountedon the other door Vat aV point spaced '-fromthe-'hingedly supportededgethereof; a bar extending between said bracket andflxture; a'slide onsaid bar; a-link interconnecting saidy slide and bracket a latchassociated with'saidbar in the path of travelof said slide1 whereby tosecure lthe mechanism against movement;l n land means f oractuatingfsaid' latch to the'in-A operative position. v y p,

Arresting mechanism for oppositely swinging double-doors comprisingabracket carriedv by'v onedoor' adjacent its hingedly supported edge; afixture mounted on the` Vother door at a point spaced from lthe hingedlysupported edge thereof; 'a3 barlextending between said bracket andfixture; a slide onsaid bar; afVv link linterconnectingv saidY slide andbracket;a dog pivotally associated with f Y said bar 'in "the pathofltrave'lof saidj slide,V said dogbeing moved into latching engagementwith said slide by the'I slide and 'gravity; and .means for moving the,dog to'the inoperative positionf 4. Arresting ,mechanism forljoppositelyswinging. doubledoorsfcomprising a bracket `susE carried by one dooradjacent itshingedl'y sup- Y -ported edge; VKafi'xture'mountedv ontheother door at a point spacedffror'n thev hingedly.

vsupported edge thereof; a bar'extending.,be-V

tween said bracket and; fixture; a slide' on 1 'said' bar 'alinkinterconnecting said slide "and bracket; fa'dogfpivotally associatedwith said barin theV patho'f travel yof said*l slide; and a catchvformed onfsaid slide fory engage- 5. Arresting:l lmechanismforffoppopsitely swinging double-(160m. 1Corfu)rising'. abraket"carriedfby one door V adjacentits "hingedly supported/h edge; a iixturemounted "v'onl fthe 'other doorY at a point VYspaced:from vthe hing- Yying between vsaidbracket and fixture.; a'slide on saidbar; a-linkAin'terc'onnecting saidslide and bracket Y;' afyoke rigid Vto* saidbarj; dog pivotallyassociated :with said yoke; ,and .'a catch formedfonsaidVV slijde'for-engagement `with said dog Vwhen the doors are intheopen `mentfwith'said dog when the" doors are in v position, said yokeand slide abutting to prevent movement of the doors in one direction,and said catch and dog acting to prevent movement of the doors in theopposite direction.

6. In double-door arresting mechanism, a fixture mounted on one door; abracket carried by the other door; a bar extending between said bracketand fixture; a link interconnecting said bar and bracket, said bracketincluding a short arm and a long arm, said bar being pivotally attachedto said long arm, said link being pivotally attached to said short arm;a slide at the point of connection between bar and link; and means toengage said slide when the doors are open to preclude movement thereof.A

7. In double-door arresting mechanism, a fixture mounted on one door; abracket carried by the other door.; a bar extending between said bracketand fixture; a link interconnecting said bar and bracket; a slideV atthe point of connection between bar and link; a gravity actuated dogcarried by said bar to engage the slide at one end oi its path oftravel; and means for moving the dog to the inoperative position, saidmeans including a cable housed within said bar and extendinglongitudinally4 thereof for a portion of the length of both cable andbar.

In testimony whereof, I hereunto aiix my signature.

ALBERT O. JOHNSON.

